-Fixed shader lang to not be able to get scalar from matrix (ie mat.x), to make it more GLSL compatible

-Fixed referencing of world_transform in fragment shader not working
-Fixed unsycn bug related to getting shader param list from the server
-Fixed getting all textures from shader properly, fixes #8353

drivers/gles3/rasterizer_storage_gles3.cpp

@@ -1556,7 +1556,11 @@ void RasterizerStorageGLES3::shader_get_param_list(RID p_shader, List<PropertyIn
 
 	for (Map<StringName, ShaderLanguage::ShaderNode::Uniform>::Element *E = shader->uniforms.front(); E; E = E->next()) {
 
-		order[E->get().order] = E->key();
+		if (E->get().texture_order >= 0) {
+			order[E->get().texture_order + 100000] = E->key();
+		} else {
+			order[E->get().order] = E->key();
+		}
 	}
 
 	for (Map<int, StringName>::Element *E = order.front(); E; E = E->next()) {

drivers/gles3/shaders/scene.glsl

@@ -368,6 +368,8 @@ VERTEX_SHADER_CODE
 
 */
 
+uniform highp mat4 world_transform;
+
 #define M_PI 3.14159265359
 
 /* Varyings */